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Oil is made from

Which of the following is a common hazard to a city when an earthquake occurs?

Describe why earthquakes happen when the plates only move a few centimeters each year.

What is the type of soil that is quite fertile, but has a high content of expanding clays?

Describe why you need at least 3 seismic stations to determine the location of an earthquake.

The central portion of a fold, where the primary bend is located, is called

Tell me how the direction of the vibrations compare to the direction of wave propogation in P-waves and S-waves.

Which of the following is a crust with low geothermal gradient that hasn’t been deformed in a billion years?

Mauna Loa on Hawaii is an excellent example of what type of volcano?

In the Earth’s crust, more than ¾ of the minerals contain these 2 elements (different than the Earth as a whole):